package gonz.common;


import java.util.HashSet;
import java.util.Set;

public class DublicateChecker {
    private static Set<String> articleHolder = new HashSet<String>();

    public static boolean isArticleDublExist(String article) {
        if (articleHolder.contains(article))
            return true;
        articleHolder.add(article);
        return false;
    }
}
